Final answer:
The president has several constitutional powers related to national security, including being the commander in chief of the armed forces, negotiating treaties, and issuing executive orders.
Step-by-step explanation:
The president has several constitutional powers in the realm of national security:
- As commander in chief of the United States armed forces, the president has the authority to call into service the National Guard in times of war or national emergency.
- The president can require opinions of departmental secretaries and has the power to grant reprieves and pardons for offenses against the United States.
- The president is responsible for negotiating treaties with the advice and consent of the Senate, and as chief diplomat, they represent the nation to other world leaders and receive ambassadors.
The president also exercises executive powers to manage national affairs and oversee the day-to-day operations of the federal government. They can issue executive orders that have the binding force of law on federal agencies.